Nanoformulation of D-α-tocopheryl polyethylene glycol 1000 succinate-b-poly(ε-caprolactone-ran-glycolide) diblock copolymer for siRNA targeting HIF-1α for nasopharyngeal carcinoma therapyINTERNATIONAL JOURNAL OF NANOMEDICINEIF6.52015-02-0119OAAI